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GH4698 Application:Nickel base superalloy
Category Type Steel grade Standard Country
Grades Special Alloy GH4698 GBT China

Chemical composition % of the ladle analysis of grade GH4698

C(%) Cr(%) Ni(%) Mo(%) B(%) Nb(%) Al(%) Ti(%) Other(%)
Max 0.08 13.0-16.0 Balance 2.8-3.2 Max 0.005 1.8-2.2 1.3-1.7 2.35-2.75 Ce:Max 0.005
GH4698
Mechanical properties of grade GH4698
Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
928 (≥) 138 (≥) 42 43 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 243
Physical properties of grade GH4698
Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
893 (≥) 155 (≥) 14 41 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 442
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
349 846 395
GH4698 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
GH4698 GBT China
Nickel-base superalloy

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